<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
      <el-form-item label="问题" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入问题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="问题标签" prop="labelId">
        <el-select v-model="queryParams.labelId" placeholder="请选择类型" clearable size="small">
          <el-option
            v-for="item in labelList"
            :key="item.id"
            :label="item.name"
            :value="item.id"
          ></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="提问者" prop="createBy">
        <el-input
          v-model="queryParams.createBy"
          placeholder="请输入提问者"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="发布状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-upload2"
          size="mini"
          :disabled="multiple"
          @click="updateStatus('1','发布')"
          v-hasPermi="['forum:dynamic:edit']"
        >发布</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-download"
          size="mini"
          :disabled="multiple"
          @click="updateStatus('0','隐藏')"
          v-hasPermi="['forum:dynamic:edit']"
        >隐藏</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['forum:dynamic:remove']"
        >删除</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="askList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="问题" align="center" prop="name" :show-overflow-tooltip="true"/>
      <el-table-column label="问题标签" align="center" prop="labelNames"/>
      <el-table-column label="提问者" align="center" prop="createBy" />
      <el-table-column label="回答数" align="center" prop="answerNum" />
      <el-table-column label="点赞数" align="center" prop="zanNum" />
      <el-table-column label="收藏数" align="center" prop="collectNum" />
      <el-table-column label="发布状态" align="center" prop="status" :formatter="statusFormat" />
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['forum:dynamic:edit']"
          >详情</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['forum:dynamic:remove']"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleComment(scope.row)"
            v-hasPermi="['forum:comment:list']"
          >问答</el-button>
        </template>

      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="问题" prop="name">
              <el-input v-model="form.name" placeholder="请输入直播标题" />
            </el-form-item>
          </el-col>
        </el-row>
       <el-row>
         <el-col :span="12">
           <el-form-item label="问答标签" prop="skipUrl">
             <el-input v-model="form.skipUrl" placeholder="请输入直播链接" />
           </el-form-item>
         </el-col>
         <el-col :span="12">
           <el-form-item label="发布者" prop="createBy">
             <el-input v-model="form.createBy" placeholder="请输入发布者" />
           </el-form-item>
         </el-col>
       </el-row>
       <el-row>
         <el-col :span="24">
           <el-form-item  label="图片集" prop="pics">
             <div v-if="form.pics" >
               <el-image fit="cover" class="img"  v-for="(item,index) in form.pics.split(',')" :key="index" :src="base_url+item" z-index="9999" :previewSrcList="[base_url+item]"/>
             </div>
             <span v-else>暂无图片</span>
           </el-form-item>
         </el-col>
       </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item  label="视频" prop="mediaFile">
              <div  v-if="form.mediaFile">
                <video class="video-box"
                       v-bind:src="base_url+form.mediaFile"
                       controls="controls">
                  您的浏览器不支持视频播放
                </video>
              </div>
              <span v-else>暂无视频</span>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDynamic, getDynamic, delDynamic, addDynamic, updateDynamic, exportDynamic } from "@/api/forum/dynamic";
import {listLabel} from "@/api/forum/label";


export default {
  name: "ask",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 问答数据
      askList: [],
      //问题标签列表
      labelList:[],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 状态字典
      statusOptions: [{
        dictLabel: "已发布",
        dictValue: "1"
      },{
        dictLabel: "未发布",
        dictValue: "0"
      }],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        dataType:'1',
        name: undefined,
        status: undefined,
        nickName: undefined,
        createBy:undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      base_url:process.env.VUE_APP_BASE_API
    };
  },
  created() {
    listLabel({dataType:'1'}).then(response => {
      this.labelList = response.rows;
    })
    this.getList();
  },
  methods: {
    /** 查询课程信息列表 */
    getList() {
      this.loading = true;
      listDynamic(this.queryParams).then(response => {
        this.askList = response.rows;
        this.total = response.total;
        this.loading = false;
      })
    },

    // 状态字典翻译
    statusFormat(row, column) {
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        this.form.dataType = '1';
        if (valid) {
          if (this.form.id != undefined) {
            updateDynamic(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addDynamic(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },
    // 表单重置
    reset() {
      this.form = {
        dataType:'1',
        id: undefined,
        name: undefined,
        status: undefined,
        createBy: undefined,
        createTime: undefined,
        nickName: undefined,
        skipUrl: undefined
      };
      this.resetForm("form");
    },
    //跳转问答评论
    handleComment(row){
      const id = row.id || this.ids;
      const location = '/community/dynamic/comment';
      this.$router.push({'path':location, 'query': {id:id}})
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },

    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加问答";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getDynamic(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改问答";
      });
    },
    // 发布
    updateStatus(status,title) {
      const ids = this.ids;
      this.$confirm('是否确认' +title+ '编号为"' + ids + '"的问答?', "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        let i = 0;
        ids.forEach(function(item){
          let params = {id:item,status:status};
          updateDynamic(params).then(res=>{
            if(res.code == 200){
              i++;
            }
          })
        })
        return i;
      }).then(() => {
        this.getList();
        this.msgSuccess("修改成功");
      }).catch(function() {});
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除编号为"' + ids + '"的问答?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        return delDynamic(ids);
      }).then(() => {
        this.getList();
        this.msgSuccess("删除成功");
      }).catch(function() {});
    },

  }
};
</script>
<style scoped>
.img{
  width: 100px;
  height: 100px;
}
.video-box{
  width: 150px;
  height: 200px;
}
</style>
